Base | Representation |
---|---|
bin | 11100001110000101… |
… | …101001100110101111 |
3 | 2220012201221001111202 |
4 | 130032011221212233 |
5 | 444024042230411 |
6 | 21530430240115 |
7 | 2121614245205 |
oct | 341605514657 |
9 | 86181831452 |
10 | 30301133231 |
11 | 1193a221976 |
12 | 5a5795603b |
13 | 2b1b89b945 |
14 | 1676435075 |
15 | bc52ad83b |
hex | 70e1699af |
30301133231 has 4 divisors (see below), whose sum is σ = 31005810792. Its totient is φ = 29596455672.
The previous prime is 30301133221. The next prime is 30301133243. The reversal of 30301133231 is 13233110303.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 30301133231 - 214 = 30301116847 is a prime.
It is a super-2 number, since 2×303011332312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30301133221) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352338716 + ... + 352338801.
It is an arithmetic number, because the mean of its divisors is an integer number (7751452698).
Almost surely, 230301133231 is an apocalyptic number.
30301133231 is a deficient number, since it is larger than the sum of its proper divisors (704677561).
30301133231 is an equidigital number, since it uses as much as digits as its factorization.
30301133231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 704677560.
The product of its (nonzero) digits is 486, while the sum is 20.
Adding to 30301133231 its reverse (13233110303), we get a palindrome (43534243534).
The spelling of 30301133231 in words is "thirty billion, three hundred one million, one hundred thirty-three thousand, two hundred thirty-one".
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